Yep, welcome to the internet age my friend. Haven't you noticed, "google it" is about as much work as anyone wants to do now adays. If it takes longer than 30 seconds it is too long. Sucks dont it.
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So all of the cities you mentioned are very high violent crime areas, where gang violence happens in the parks, no really, you have a better chance of being shot in the park than hit with a frisbee....